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1.1 root 1: /*
2: dpx2.h - Bull DPX/2 200 and 300 systems (m68k, SysVr3).
3:
4: Contributed by Frederic Pierresteguy.
5: Bug reports to [email protected].
6: */
7:
8: #ifndef USE_GAS
9: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
10: #define SGS_NO_LI /* Suppress jump table label usage */
11: #define VERSADOS /* This is the name of the assembler we have */
12: #define USG
13: #endif
14:
15: #include "m68k/m68k.h"
16: #undef SELECT_RTX_SECTION
17: #include "svr3.h"
18:
19: /* See m68k.h. 7 means 68020 with 68881.
20: * We really have 68030 and 68882,
21: * but this will get us going.
22: */
23: #ifndef TARGET_DEFAULT
24: #define TARGET_DEFAULT 7
25: #endif
26:
27: #define OBJECT_FORMAT_COFF
28: #define NO_SYS_SIGLIST
29:
30: #ifdef CPP_PREDEFINES
31: #undef CPP_PREDEFINES
32: #endif
33: /*
34: * define all the things the compiler should
35: */
36: #ifdef ncl_mr
37: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_mr=1 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
38: #else
39: # ifdef ncl_el
40: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_el-D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
41: # else
42: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
43: # endif
44: #endif
45:
46: #undef CPP_SPEC
47: /*
48: * you can't get a DPX/2 without a 68882 but allow it
49: * to be ignored...
50: */
51: # define __HAVE_68881__ 1
52: # define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ }"
53:
54: #define HAVE_ATEXIT
55: #undef DO_GLOBAL_CTORS_BODY /* don't use svr3.h version */
56: #undef DO_GLOBAL_DTORS_BODY
57:
58: #ifndef USE_GAS
59: /*
60: * handle the native MOTOROLA VERSAdos assembler.
61: */
62:
63: /* See m68k.h. 3 means 68020 with 68881 and no bitfiled
64: * bitfield instructions do not seem to work a clean way.
65: */
66: #undef TARGET_DEFAULT
67: #define TARGET_DEFAULT 3
68:
69: #undef EXTRA_SECTIONS
70: #undef EXTRA_SECTION_FUNCTIONS
71: #undef READONLY_DATA_SECTION
72: #define READONLY_DATA_SECTION data_section
73: #undef SELECT_SECTION
74: #undef SELECT_RTX_SECTION
75: #define fini_section() while (0)
76:
77: #undef CTORS_SECTION_ASM_OP
78: #define CTORS_SECTION_ASM_OP "\tsection 15"
79: #undef DTORS_SECTION_ASM_OP
80: #define DTORS_SECTION_ASM_OP "\tsection 15"
81: #undef INIT_SECTION_ASM_OP
82: #define BSS_SECTION_ASM_OP "\tsection 14"
83: #undef TEXT_SECTION_ASM_OP
84: #define TEXT_SECTION_ASM_OP "\tsection 10"
85: #undef DATA_SECTION_ASM_OP
86: #define DATA_SECTION_ASM_OP "\tsection 15"
87:
88:
89: /* Don't try using XFmode. */
90: #undef LONG_DOUBLE_TYPE_SIZE
91: #define LONG_DOUBLE_TYPE_SIZE 64
92:
93: /* Define if you don't want extended real, but do want to use the
94: software floating point emulator for REAL_ARITHMETIC and
95: decimal <-> binary conversion. */
96: #define REAL_ARITHMETIC
97:
98: #undef ASM_OUTPUT_SOURCE_FILENAME
99: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NA) \
100: do { fprintf ((FILE), "\t.file\t'%s'\n", (NA)); } while (0)
101:
102: /* Assembler pseudos to introduce constants of various size. */
103:
104: #undef ASM_BYTE_OP
105: #define ASM_BYTE_OP "\tdc.b"
106: #undef ASM_LONG
107: #define ASM_LONG "\tdc.l"
108:
109: /*
110: * we don't seem to support any of:
111: * .globl
112: * .even
113: * .align
114: * .ascii
115: */
116: #undef ASM_OUTPUT_SKIP
117: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
118: fprintf (FILE, "\tdcb.b %u,0\n", (SIZE))
119:
120: #undef GLOBAL_ASM_OP
121: #define GLOBAL_ASM_OP "\txdef"
122:
123: #undef ASM_OUTPUT_ALIGN
124: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
125: if ((LOG) >= 1) \
126: fprintf (FILE, "\tds.w 0\n");
127:
128:
129: #define STRING_LIMIT (0)
130: #undef ASM_APP_ON
131: #define ASM_APP_ON ""
132: #undef ASM_APP_OFF
133: #define ASM_APP_OFF ""
134: /*
135: * dc.b 'hello, world!'
136: * dc.b 10,0
137: * is how we have to output "hello, world!\n"
138: */
139: #undef ASM_OUTPUT_ASCII
140: #define ASM_OUTPUT_ASCII(asm_out_file, p, thissize) \
141: do { register int i, c, f=0, len=0; \
142: for (i = 0; i < thissize; i++) { \
143: c = p[i]; \
144: if (c == '\'' || c < ' ' || c > 127) { \
145: switch(f) { \
146: case 0: /* need to output dc.b etc */ \
147: fprintf(asm_out_file, "\tdc.b %d", c); \
148: f=1; \
149: break; \
150: case 1: \
151: fprintf(asm_out_file, ",%d", c); \
152: break; \
153: default: \
154: /* close a string */ \
155: fprintf(asm_out_file, "'\n\tdc.b %d", c); \
156: f=1; \
157: break; \
158: } \
159: } else { \
160: switch(f) { \
161: case 0: \
162: fprintf(asm_out_file, "\tdc.b '%c", c); \
163: f=2; \
164: break; \
165: case 2: \
166: if (len >= 79) { \
167: fprintf(asm_out_file, "'\n\tdc.b '%c", c); \
168: len = 0; } \
169: else \
170: fprintf(asm_out_file, "%c", c); \
171: break; \
172: default: \
173: len = 0; \
174: fprintf(asm_out_file, "\n\tdc.b '%c", c); \
175: f=2; \
176: break; \
177: } \
178: } \
179: len++; \
180: } \
181: if (f==2) \
182: putc('\'', asm_out_file); \
183: putc('\n', asm_out_file); } while (0)
184:
185: /* This is how to output an insn to push a register on the stack.
186: It need not be very fast code. */
187:
188: #undef ASM_OUTPUT_REG_PUSH
189: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
190: fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[REGNO])
191:
192: /* This is how to output an insn to pop a register from the stack.
193: It need not be very fast code. */
194:
195: #undef ASM_OUTPUT_REG_POP
196: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
197: fprintf (FILE, "\tmove.l (sp)+,%s\n", reg_names[REGNO])
198:
199:
200: #define PUT_SDB_FUNCTION_START(LINE) \
201: fprintf (asm_out_file, \
202: "\t.def\t.bf%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
203: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
204:
205: #define PUT_SDB_FUNCTION_END(LINE) \
206: fprintf (asm_out_file, \
207: "\t.def\t.ef%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
208: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
209:
210: #define PUT_SDB_BLOCK_START(LINE) \
211: fprintf (asm_out_file, \
212: "\t.def\t.bb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \
213: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
214:
215: #define PUT_SDB_BLOCK_END(LINE) \
216: fprintf (asm_out_file, \
217: "\t.def\t.eb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \
218: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
219:
220: #define PUT_SDB_EPILOGUE_END(NAME)
221:
222: /* Output type in decimal not in octal as done in sdbout.c */
223: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\t.type\t0%d%s", a, SDB_DELIM)
224:
225: #undef FUNCTION_PROLOGUE
226: #define FUNCTION_PROLOGUE(FILE, SIZE) \
227: { \
228: register int regno; \
229: register int mask = 0; \
230: int num_saved_regs = 0, first = 1; \
231: extern char call_used_regs[]; \
232: int fsize = ((SIZE) + 3) & -4; \
233: \
234: \
235: if (frame_pointer_needed) \
236: { \
237: /* Adding negative number is faster on the 68040. */ \
238: if (fsize < 0x8000 && !TARGET_68040) \
239: { \
240: fprintf (FILE, "\tlink %s,#%d\n", \
241: reg_names[FRAME_POINTER_REGNUM], -fsize); \
242: } \
243: else if (TARGET_68020) \
244: { \
245: fprintf (FILE, "\tlink %s,#%d\n", \
246: reg_names[FRAME_POINTER_REGNUM], -fsize); \
247: } \
248: else \
249: { \
250: fprintf (FILE, "\tlink %s,#0\n\tadd.l #%d,sp\n", \
251: reg_names[FRAME_POINTER_REGNUM], -fsize); \
252: } \
253: } \
254: else if (fsize) \
255: { \
256: /* Adding negative number is faster on the 68040. */ \
257: if (fsize + 4 < 0x8000) \
258: { \
259: fprintf (FILE, "\tadd.w #%d,sp\n", - (fsize + 4)); \
260: } \
261: else \
262: { \
263: fprintf (FILE, "\tadd.l #%d,sp\n", - (fsize + 4)); \
264: } \
265: } \
266: for (regno = 23; regno >= 16; regno--) \
267: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
268: if (first) { \
269: fprintf (FILE, "\tfmovem.x %s", reg_names[regno]); \
270: first = 0; \
271: } \
272: else fprintf (FILE, "/%s", reg_names[regno]); \
273: if (!first) fprintf (FILE, ",-(sp)\n"); \
274: \
275: mask = 0; \
276: for (regno = 0; regno < 16; regno++) \
277: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
278: { \
279: mask |= 1 << (15 - regno); \
280: num_saved_regs++; \
281: } \
282: if (frame_pointer_needed) \
283: { \
284: mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM)); \
285: num_saved_regs--; \
286: } \
287: \
288: \
289: if (num_saved_regs <= 2) \
290: { \
291: /* Store each separately in the same order moveml uses. \
292: Using two movel instructions instead of a single moveml \
293: is about 15% faster for the 68020 and 68030 at no expense \
294: in code size */ \
295: \
296: int i; \
297: \
298: /* Undo the work from above. */ \
299: for (i = 0; i< 16; i++) \
300: if (mask & (1 << i)) \
301: fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[15 - i]); \
302: } \
303: else if (mask) \
304: { \
305: first = 1; \
306: for (regno = 0; regno < 16; regno++) \
307: if (mask & (1 << regno)) \
308: if (first) { \
309: fprintf (FILE, "\tmovem.l %s", reg_names[15 - regno]); \
310: first = 0; \
311: } \
312: else fprintf (FILE, "/%s", reg_names[15 - regno]); \
313: fprintf (FILE, ",-(sp)\n"); \
314: } \
315: if (flag_pic && current_function_uses_pic_offset_table) \
316: { \
317: fprintf (FILE, "\tmove.l #__GLOBAL_OFFSET_TABLE_, %s\n", \
318: reg_names[PIC_OFFSET_TABLE_REGNUM]); \
319: fprintf (FILE, "\tlea.l (pc,%s.l),%s\n", \
320: reg_names[PIC_OFFSET_TABLE_REGNUM], \
321: reg_names[PIC_OFFSET_TABLE_REGNUM]); \
322: } \
323: }
324:
325:
326: #undef FUNCTION_EPILOGUE
327: #define FUNCTION_EPILOGUE(FILE, SIZE) \
328: { \
329: register int regno; \
330: register int mask, fmask; \
331: register int nregs; \
332: int offset, foffset, fpoffset, first = 1; \
333: extern char call_used_regs[]; \
334: int fsize = ((SIZE) + 3) & -4; \
335: int big = 0; \
336: rtx insn = get_last_insn (); \
337: \
338: /* If the last insn was a BARRIER, we don't have to write any code. */ \
339: if (GET_CODE (insn) == NOTE) \
340: insn = prev_nonnote_insn (insn); \
341: if (insn && GET_CODE (insn) == BARRIER) \
342: { \
343: /* Output just a no-op so that debuggers don't get confused \
344: about which function the pc is in at this address. */ \
345: fprintf (FILE, "\tnop\n"); \
346: return; \
347: } \
348: \
349: nregs = 0; fmask = 0; fpoffset = 0; \
350: for (regno = 16; regno < 24; regno++) \
351: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
352: { \
353: nregs++; \
354: fmask |= 1 << (23 - regno); \
355: } \
356: foffset = fpoffset + nregs * 12; \
357: nregs = 0; mask = 0; \
358: if (frame_pointer_needed) \
359: regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
360: for (regno = 0; regno < 16; regno++) \
361: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
362: { \
363: nregs++; \
364: mask |= 1 << regno; \
365: } \
366: offset = foffset + nregs * 4; \
367: if (offset + fsize >= 0x8000 \
368: && frame_pointer_needed \
369: && (mask || fmask || fpoffset)) \
370: { \
371: fprintf (FILE, "\tmove.l #%d,a0\n", -fsize); \
372: fsize = 0, big = 1; \
373: } \
374: if (nregs <= 2) \
375: { \
376: /* Restore each separately in the same order moveml does. \
377: Using two movel instructions instead of a single moveml \
378: is about 15% faster for the 68020 and 68030 at no expense \
379: in code size. */ \
380: \
381: int i; \
382: \
383: /* Undo the work from above. */ \
384: for (i = 0; i< 16; i++) \
385: if (mask & (1 << i)) \
386: { \
387: if (big) \
388: { \
389: fprintf (FILE, "\tmove.l -%d(%s,a0.l),%s\n", \
390: offset + fsize, \
391: reg_names[FRAME_POINTER_REGNUM], \
392: reg_names[i]); \
393: } \
394: else if (! frame_pointer_needed) \
395: { \
396: fprintf (FILE, "\tmove.l (sp)+,%s\n", \
397: reg_names[i]); \
398: } \
399: else \
400: { \
401: fprintf (FILE, "\tmove.l -%d(%s),%s\n", \
402: offset + fsize, \
403: reg_names[FRAME_POINTER_REGNUM], \
404: reg_names[i]); \
405: } \
406: offset = offset - 4; \
407: } \
408: } \
409: else if (mask) \
410: { \
411: first = 1; \
412: for (regno = 0; regno < 16; regno++) \
413: if (mask & (1 << regno)) \
414: if (first && big) { \
415: fprintf (FILE, "\tmovem.l -%d(%s,a0.l),%s", \
416: offset + fsize, \
417: reg_names[FRAME_POINTER_REGNUM], \
418: reg_names[regno]); \
419: first = 0; \
420: } \
421: else if (first && ! frame_pointer_needed) { \
422: fprintf (FILE, "\tmovem.l (sp)+,%s", \
423: offset + fsize, \
424: reg_names[FRAME_POINTER_REGNUM], \
425: reg_names[regno]); \
426: first = 0; \
427: } \
428: else if (first) { \
429: fprintf (FILE, "\tmovem.l -%d(%s),%s", \
430: offset + fsize, \
431: reg_names[FRAME_POINTER_REGNUM], \
432: reg_names[regno]); \
433: first = 0; \
434: } \
435: else \
436: fprintf (FILE, "/%s", reg_names[regno]); \
437: fprintf (FILE, "\n"); \
438: } \
439: if (fmask) \
440: { \
441: first = 1; \
442: for (regno = 16; regno < 24; regno++) \
443: if (fmask & (1 << (23 - regno))) \
444: if (first && big) { \
445: fprintf (FILE, "\tfmovem.x -%d(%s,a0.l),%s", \
446: foffset + fsize, \
447: reg_names[FRAME_POINTER_REGNUM], \
448: reg_names[regno]); \
449: first = 0; \
450: } \
451: else if (first && ! frame_pointer_needed) { \
452: fprintf (FILE, "\tfmovem.x (sp)+,%s", \
453: foffset + fsize, \
454: reg_names[FRAME_POINTER_REGNUM], \
455: reg_names[regno]); \
456: first = 0; \
457: } \
458: else if (first) { \
459: fprintf (FILE, "\tfmovem.x -%d(%s),%s", \
460: foffset + fsize, \
461: reg_names[FRAME_POINTER_REGNUM], \
462: reg_names[regno]); \
463: first = 0; \
464: } \
465: else fprintf (FILE, "/%s", reg_names[regno]); \
466: fprintf (FILE, "\n"); \
467: } \
468: if (frame_pointer_needed) \
469: fprintf (FILE, "\tunlk %s\n", \
470: reg_names[FRAME_POINTER_REGNUM]); \
471: else if (fsize) \
472: { \
473: if (fsize + 4 < 0x8000) \
474: { \
475: fprintf (FILE, "\tadd.w #%d,sp\n", fsize + 4); \
476: } \
477: else \
478: { \
479: fprintf (FILE, "\tadd.l #%d,sp\n", fsize + 4); \
480: } \
481: } \
482: if (current_function_pops_args) \
483: fprintf (FILE, "\trtd #%d\n", current_function_pops_args); \
484: else \
485: fprintf (FILE, "\trts\n"); \
486: }
487:
488: /* Translate Motorola opcodes such as `jbeq'
489: into VERSAdos opcodes such as `beq'.
490: Change `fbeq' to `fbseq', `fbne' to `fbsneq'.
491: */
492:
493: #undef ASM_OUTPUT_OPCODE
494: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
495: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
496: { ++(PTR); \
497: while (*(PTR) != ' ') \
498: { putc (*(PTR), (FILE)); ++(PTR); } \
499: } \
500: else if ((PTR)[0] == 'f') \
501: { \
502: if (!strncmp ((PTR), "fbeq", 4)) \
503: { fprintf ((FILE), "fbseq"); (PTR) += 4; } \
504: else if (!strncmp ((PTR), "fbne", 4)) \
505: { fprintf ((FILE), "fbsneq"); (PTR) += 4; } \
506: } \
507: else if ((PTR)[0] == 'b' && (PTR)[1] == 'f') \
508: { \
509: char *s; \
510: if ((s = (char*)strchr ((PTR), '{'))) \
511: while (*s != '}') { \
512: if (*s == 'b') \
513: /* hack, I replace it with R ie nothing */ \
514: *s = '0'; \
515: s++; } \
516: } \
517: }
518:
519: /* This is how to output a `long double' extended real constant. */
520: #undef ASM_OUTPUT_LONG_DOUBLE
521: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
522: do { long l[3]; \
523: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
524: if (sizeof (int) == sizeof (long)) \
525: fprintf (FILE, "\tdc.l $%x,$%x,$%x\n", l[0], l[1], l[2]); \
526: else \
527: fprintf (FILE, "\tdc.l $%lx,$%lx,$%lx\n", l[0], l[1], l[2]); \
528: } while (0)
529:
530: #undef ASM_OUTPUT_DOUBLE
531: #if 0
532: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
533: do { char dstr[30]; \
534: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
535: fprintf (FILE, "\tdc.d %s\n", dstr); \
536: } while (0)
537: #endif
538: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
539: do { long l[2]; \
540: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
541: fprintf (FILE, "\tdc.l $%x,$%x\n", l[0], l[1]); \
542: } while (0)
543:
544:
545: /* This is how to output an assembler line defining a `float' constant. */
546: #undef ASM_OUTPUT_FLOAT
547: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
548: do { long l; \
549: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
550: if (sizeof (int) == sizeof (long)) \
551: fprintf (FILE, "\tdc.l $%x\n", l); \
552: else \
553: fprintf (FILE, "\tdc.l $%lx\n", l); \
554: } while (0)
555:
556: /* This is how to output an assembler line defining an `int' constant. */
557: #undef ASM_OUTPUT_INT
558: #define ASM_OUTPUT_INT(FILE,VALUE) \
559: ( fprintf (FILE, "\tdc.l "), \
560: output_addr_const (FILE, (VALUE)), \
561: fprintf (FILE, "\n"))
562:
563: /* Likewise for `char' and `short' constants. */
564: #undef ASM_OUTPUT_SHORT
565: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
566: ( fprintf (FILE, "\tdc.w "), \
567: output_addr_const (FILE, (VALUE)), \
568: fprintf (FILE, "\n"))
569:
570: #undef ASM_OUTPUT_CHAR
571: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
572: ( fprintf (FILE, "\tdc.b "), \
573: output_addr_const (FILE, (VALUE)), \
574: fprintf (FILE, "\n"))
575:
576: /* This is how to output an assembler line for a numeric constant byte. */
577: #undef ASM_OUTPUT_BYTE
578: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
579: fprintf (FILE, "\tdc.b $%x\n", (VALUE))
580:
581: /* This is how to output an element of a case-vector that is absolute.
582: (The 68000 does not use such vectors,
583: but we must define this macro anyway.) */
584: #undef ASM_OUTPUT_ADDR_VEC_ELT
585: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
586: asm_fprintf (FILE, "\tdc.l %LL%d\n", VALUE)
587:
588: /* This is how to output an element of a case-vector that is relative. */
589: #undef ASM_OUTPUT_ADDR_DIFF_ELT
590: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
591: asm_fprintf (FILE, "\tdc.w %LL%d-%LL%d\n", VALUE, REL)
592:
593: /* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to
594: keep switch tables in the text section. */
595: #define JUMP_TABLES_IN_TEXT_SECTION 1
596:
597: /* Output a float value (represented as a C double) as an immediate operand.
598: This macro is a 68k-specific macro. */
599: #undef ASM_OUTPUT_FLOAT_OPERAND
600: #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
601: do { \
602: if (CODE == 'f') \
603: { \
604: char dstr[30]; \
605: REAL_VALUE_TO_DECIMAL (VALUE, "%.9g", dstr); \
606: asm_fprintf ((FILE), "%I%s", dstr); \
607: } \
608: else \
609: { \
610: long l; \
611: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
612: if (sizeof (int) == sizeof (long)) \
613: asm_fprintf ((FILE), "%I$%x", l); \
614: else \
615: asm_fprintf ((FILE), "%I$%lx", l); \
616: } \
617: } while (0)
618:
619: /* Output a double value (represented as a C double) as an immediate operand.
620: This macro is a 68k-specific macro. */
621: #undef ASM_OUTPUT_DOUBLE_OPERAND
622: #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
623: do { char dstr[30]; \
624: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
625: asm_fprintf (FILE, "%I%s", dstr); \
626: } while (0)
627:
628: /* Note, long double immediate operands are not actually
629: generated by m68k.md. */
630: #undef ASM_OUTPUT_LONG_DOUBLE_OPERAND
631: #define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE) \
632: do { char dstr[30]; \
633: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
634: asm_fprintf (FILE, "%I%s", dstr); \
635: } while (0)
636:
637: #undef ASM_OUTPUT_COMMON
638: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
639: ( fputs ("\t.comm ", (FILE)), \
640: assemble_name ((FILE), (NAME)), \
641: fprintf ((FILE), ",%u\n", (ROUNDED)))
642:
643: #undef ASM_OUTPUT_LOCAL
644: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
645: do { \
646: int align = exact_log2 (ROUNDED); \
647: /*fprintf ((FILE), "\tsection 14\n"); */ \
648: data_section (); \
649: ASM_OUTPUT_ALIGN ((FILE), align) \
650: ASM_OUTPUT_LABEL ((FILE), (NAME)); \
651: fprintf ((FILE), "\tdcb.b %u,0\n", (ROUNDED)); \
652: /* fprintf ((FILE), "\tsection 10\n"); */ \
653: } while (0)
654:
655: #undef PRINT_OPERAND_ADDRESS
656: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
657: { register rtx reg1, reg2, breg, ireg; \
658: register rtx addr = ADDR; \
659: rtx offset; \
660: switch (GET_CODE (addr)) \
661: { \
662: case REG: \
663: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
664: break; \
665: case PRE_DEC: \
666: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
667: break; \
668: case POST_INC: \
669: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
670: break; \
671: case PLUS: \
672: reg1 = 0; reg2 = 0; \
673: ireg = 0; breg = 0; \
674: offset = 0; \
675: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
676: { \
677: offset = XEXP (addr, 0); \
678: addr = XEXP (addr, 1); \
679: } \
680: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
681: { \
682: offset = XEXP (addr, 1); \
683: addr = XEXP (addr, 0); \
684: } \
685: if (GET_CODE (addr) != PLUS) ; \
686: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
687: { \
688: reg1 = XEXP (addr, 0); \
689: addr = XEXP (addr, 1); \
690: } \
691: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
692: { \
693: reg1 = XEXP (addr, 1); \
694: addr = XEXP (addr, 0); \
695: } \
696: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
697: { \
698: reg1 = XEXP (addr, 0); \
699: addr = XEXP (addr, 1); \
700: } \
701: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
702: { \
703: reg1 = XEXP (addr, 1); \
704: addr = XEXP (addr, 0); \
705: } \
706: else if (GET_CODE (XEXP (addr, 0)) == REG) \
707: { \
708: reg1 = XEXP (addr, 0); \
709: addr = XEXP (addr, 1); \
710: } \
711: else if (GET_CODE (XEXP (addr, 1)) == REG) \
712: { \
713: reg1 = XEXP (addr, 1); \
714: addr = XEXP (addr, 0); \
715: } \
716: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
717: || GET_CODE (addr) == SIGN_EXTEND) \
718: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
719: /* for OLD_INDEXING \
720: else if (GET_CODE (addr) == PLUS) \
721: { \
722: if (GET_CODE (XEXP (addr, 0)) == REG) \
723: { \
724: reg2 = XEXP (addr, 0); \
725: addr = XEXP (addr, 1); \
726: } \
727: else if (GET_CODE (XEXP (addr, 1)) == REG) \
728: { \
729: reg2 = XEXP (addr, 1); \
730: addr = XEXP (addr, 0); \
731: } \
732: } \
733: */ \
734: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
735: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
736: || GET_CODE (reg1) == MULT)) \
737: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
738: { breg = reg2; ireg = reg1; } \
739: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
740: { breg = reg1; ireg = reg2; } \
741: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
742: { int scale = 1; \
743: if (GET_CODE (ireg) == MULT) \
744: { scale = INTVAL (XEXP (ireg, 1)); \
745: ireg = XEXP (ireg, 0); } \
746: if (GET_CODE (ireg) == SIGN_EXTEND) \
747: fprintf (FILE, "(.L%d,pc,%s.w", \
748: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
749: reg_names[REGNO (XEXP (ireg, 0))]); \
750: else \
751: fprintf (FILE, "(.L%d,pc,%s.l", \
752: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
753: reg_names[REGNO (ireg)]); \
754: if (scale != 1) fprintf (FILE, "*%d", scale); \
755: putc (')', FILE); \
756: break; } \
757: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF \
758: && ! (flag_pic && breg == pic_offset_table_rtx)) \
759: { \
760: fprintf (FILE, "(.L%d,pc,%s.l", \
761: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
762: reg_names[REGNO (breg)]); \
763: putc (')', FILE); \
764: break; } \
765: if (ireg != 0 || breg != 0) \
766: { int scale = 1; \
767: if (breg == 0) \
768: abort (); \
769: putc ('(', FILE); \
770: if (addr != 0) \
771: { \
772: output_addr_const (FILE, addr); \
773: putc (',', FILE); \
774: } \
775: fprintf (FILE, "%s", reg_names[REGNO (breg)]); \
776: if (ireg != 0) \
777: putc (',', FILE); \
778: if (ireg != 0 && GET_CODE (ireg) == MULT) \
779: { scale = INTVAL (XEXP (ireg, 1)); \
780: ireg = XEXP (ireg, 0); } \
781: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
782: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
783: else if (ireg != 0) \
784: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
785: if (scale != 1) fprintf (FILE, "*%d", scale); \
786: putc (')', FILE); \
787: break; \
788: } \
789: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
790: { fprintf (FILE, "(.L%d,pc,%s.w)", \
791: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
792: reg_names[REGNO (reg1)]); \
793: break; } \
794: default: \
795: if (GET_CODE (addr) == CONST_INT \
796: && INTVAL (addr) < 0x8000 \
797: && INTVAL (addr) >= -0x8000) \
798: fprintf (FILE, "%d.w", INTVAL (addr)); \
799: else \
800: output_addr_const (FILE, addr); \
801: }}
802:
803:
804: #endif /* ! use gas */
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